Nanfeng in context: Street-network sprawl trends

Nanfeng in context

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
NanfengJiangxi (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Nanfeng plotted against Jiangxi and China. While Jiangxi and China both followed a zig-zag trend with an overall increase, Nanfeng's new street additions followed a zig-zag trend with an overall increase. Most recently, Nanfeng's incremental SNDi rose from 2.59 to 2.78 between 1991-2005 and 2006-2020. In terms of the aggregate network, Nanfeng ranked 41st out of 82 cities in Jiangxi and 754th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.78
Rank in China
724th of 1843
Rank in Jiangxi
39th of 82

Entire Network (Aggregate)

SNDi value
2.7
Rank in China
754th of 1843
Rank in Jiangxi
41st of 82

Rankings go from most connected to most disconnected — rank 1 is the most connected.

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
NanfengPolegateTulsipur

In new street additions, Nanfeng fluctuated in its street-construction patterns, while Polegate built increasingly disconnected streets from 1975 through 1991-2005, then improved and Tulsipur fluctuated in its street-construction patterns. For the full network, Nanfeng fluctuated in connectivity, while Polegate became progressively more disconnected and Tulsipur fluctuated in connectivity. Nanfeng and Tulsipur have been growing further apart in their street-network character since 1975.